Base | Representation |
---|---|
bin | 11100000001000101… |
… | …010010100110111111 |
3 | 2212122112100110010100 |
4 | 130001011102212333 |
5 | 443102212411411 |
6 | 21453033412143 |
7 | 2113324505346 |
oct | 340105224677 |
9 | 85575313110 |
10 | 30082935231 |
11 | 1183803a548 |
12 | 59b686a053 |
13 | 2ab56124bb |
14 | 1655476b5d |
15 | bb105c456 |
hex | 7011529bf |
30082935231 has 12 divisors (see below), whose sum is σ = 43502462640. Its totient is φ = 20032520640.
The previous prime is 30082935217. The next prime is 30082935247. The reversal of 30082935231 is 13253928003.
It is not a de Polignac number, because 30082935231 - 210 = 30082934207 is a prime.
It is a super-2 number, since 2×300829352312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30082935431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1889091 + ... + 1904948.
It is an arithmetic number, because the mean of its divisors is an integer number (3625205220).
Almost surely, 230082935231 is an apocalyptic number.
30082935231 is a deficient number, since it is larger than the sum of its proper divisors (13419527409).
30082935231 is a wasteful number, since it uses less digits than its factorization.
30082935231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3794926 (or 3794923 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 36.
The spelling of 30082935231 in words is "thirty billion, eighty-two million, nine hundred thirty-five thousand, two hundred thirty-one".
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